FR701319A - Apparatus intended to detect the beginnings of fire or the presence of certain gases - Google Patents
Apparatus intended to detect the beginnings of fire or the presence of certain gasesInfo
- Publication number
- FR701319A FR701319A FR701319DA FR701319A FR 701319 A FR701319 A FR 701319A FR 701319D A FR701319D A FR 701319DA FR 701319 A FR701319 A FR 701319A
- Authority
- FR
- France
- Prior art keywords
- beginnings
- fire
- detect
- apparatus intended
- certain gases
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
- G01N25/22—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures
- G01N25/28—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures the rise in temperature of the gases resulting from combustion being measured directly
- G01N25/34—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures the rise in temperature of the gases resulting from combustion being measured directly using mechanical temperature-responsive elements, e.g. bimetallic
- G01N25/36—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures the rise in temperature of the gases resulting from combustion being measured directly using mechanical temperature-responsive elements, e.g. bimetallic for investigating the composition of gas mixtures
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR701319T | 1930-07-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR701319A true FR701319A (en) | 1931-03-14 |
Family
ID=9053835
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR701319D Expired FR701319A (en) | 1930-07-24 | 1930-07-24 | Apparatus intended to detect the beginnings of fire or the presence of certain gases |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR701319A (en) |
-
1930
- 1930-07-24 FR FR701319D patent/FR701319A/en not_active Expired
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